DRUG SOLUTION INJECTION NEEDLE AND TRANSDERMAL DRUG DELIVERY DEVICE
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United States of America Patent
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Issued Date -
Sep 29, 2016
app pub date -
Oct 15, 2014
filing date -
Oct 31, 2013
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Abstract
A drug solution injection needle is provided that can not only inject a drug solution from multiple locations, but also restrict the depth of puncture by injection needles while preventing an observable wheal from being unlikely to form. The drug solution injection needle has multiple injection needles and a needle support for supporting the plurality of injection needles. The needle support has: a needle protruding surface from which the multiple injection needles protrude out; and an abutment fragment, which is formed in the needle protruding surface and abuts the skin to obstruct the multiple injection needles from entering the skin when the multiple injection needles have entered the skin to a predetermined depth. The abutment section is provided away from the injection needles such that an observable wheal is formed around each of the multiple injection needles.
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